The KSD Mainmaster consists of the KSD A500 paired with the KSD B500 Subextension, configured with a proprietary support stand, and presents the ultimate monitoring solution tailored for all stages of the recording, mixing, and mastering process. It combines high-performance features with innovative technology to deliver pulse-accurate, time-correct playback across all sound levels, even in large control rooms. Featuring a dual 10″ sub-chassis and dedicated 3″ dome driver, the KSD Mainmaster offers extreme resolution and tonal precision. The horn-supported high frequencies create a wide, distortion-free sweet spot, ensuring exceptional clarity and dynamic sound reproduction.

Left and Right units available with either Natural Cherry or Black front panels.

Key Features

• Proprietary FIRTEC™ Technology: Employs patented phase-linear FIRTEC system filters for timely and accurate sound reproduction across the entire frequency range.

• High-Resolution Audio: Equipped with a dual 10” sub-chassis and 3” dome driver for superior midrange resolution, complemented by a horn-supported high-frequency design that ensures low-distortion output and a broad sweet spot.

• Flexible Installation Options: Can be configured as an open field setup or as a wall-mounted system, offering high power reserves and accurate sound reproduction.

• Comprehensive Control Features: Compatible with the optional KSD-RC, which provides access to six fully parametric filters for precise adaptation to any studio environment.

• Optimal Power Design: Features three 250 W RMS PWM power amplifiers with a converter-free connection, minimizing converter losses and enhancing overall sound resolution and clarity.

• Tonal Neutrality and Accuracy: Designed for use in all professional production stages, ensuring tonal neutrality and exact timing for critical listening tasks.

Low-Distortion Performance: The system’s amplifiers and power supplies are engineered to produce extremely low-distortion playback, ensuring the highest fidelity in sound reproduction.

Free 3-Year Warranty

In addition to the standard included manufacturer warranty, virtually all new products carry our exclusive, industry-leading, absolutely free Sound Pure 3-Year Warranty, which includes parts and labor. It's our way of adding real value to the personal touch our small, dedicated team brings to every purchase.

Coverage exclusions live in Terms & Conditions, Section 27. Read the warranty →